Britespan Building Systems Inc. offers steel framed, fabric covered buildings, as temporary, permanent and portable solutions for every industry and application. Britespan has the widest product line in the fabric building industry, with pre-engineered buildings in clearspan widths up to 300 feet wide to any length, with post-fabrication hot dip galvanized trusses for superior rust protection. Engineering. Customization. Quality. Learn how Britespan is truly leading the fabric building industry.